Cameron Cook trial

Knoxville Police Chief David Rausch, right, Officer Andrew Olson, Olson's wife Meghan and victim-witness coordinator Sheri Burkett, left, listen Friday as jurors announce they've failed to reach a verdict in the trial of Cameron Cook. The jury found Cook guilty of lesser charges in the February 2011 shooting of Olson but couldn't agree on a charge of attempted first-degree murder. Cook will be retried April 2. (J. MILES CARY/NEWS SENTINEL )

Special Judge Jon Kerry Blackwood, center, confers with defense attorney Phil Lomonaco, left, and prosecutors Phil Morton and TaKisha Fitzgerald before declaring a mistrial in the case of Cameron Cook on Friday, March 2, 2012. (J. MILES CARY/NEWS SENTINEL )

Cameron Cook, left, and defense lawyer Phil Lomonaco listen Friday as Special Judge Jon Kerry Blackwood asks a jury whether they can reach a verdict. The judge declared a mistrial after jurors told him they couldn't agree on a charge of attempted first-degree murder against Cook in the February 2011 shooting of Knoxville Police Department Officer Andrew Olson. (J. MILES CARY/NEWS SENTINEL )

Knox County prosecutor TaKisha Fitzgerald, left, talks with Meghan Olson, her husband Knoxville Police Department Officer Andrew Olson, and Police Chief David Rausch after a jury deadlocked Friday in the trial of the man accused of shooting the officer. Jurors failed to reach a verdict on an attempted first-degree murder charge against Cameron Cook, who will be retried April 2. (J. MILES CARY/NEWS SENTINEL )

Video from the in-cruiser camera of Knoxville Police Officer Andrew Olson showing Cameron Cook firing a shot gun at Olson in Feb. 2011 was shown in court on Thursday, March 1, 2012. Cook is on trial for the shooting that occurred during a traffic stop on Washington Pike. (J. MILES CARY/NEWS SENTINEL )

Knox County prosecutor Takisha Fitzgerald, center, asks defendant Cameron Cook on Thursday to demonstrate for the jury how to operate the shotgun that he allegedly used to shoot Knoxville Police officer Andrew Olson during a Feb 2011 traffic stop on Washington Pike. (J. MILES CARY/NEWS SENTINEL )

Knox County prosecutor Takisha Fitzgerald, center, asks defendant Cameron Cook on Thursday to demonstrate for the jury how to operate the shotgun that he allegedly used to shoot Knoxville Police officer Andrew Olson during a Feb 2011 traffic stop on Washington Pike. (J. MILES CARY/NEWS SENTINEL )

Cameron Cook, 18, is on trial for shooting and wounding Knoxville Police officer Andrew Olson during a February 2011 traffic stop on Washington Pike. (J. MILES CARY/NEWS SENTINEL )

KPD Officer Andrew Olson uses crutches to move around the court room at the trial of Cameron Cook on Wednesday, Feb. 29, 2012. Cook is accused of shooting him with a shotgun during a Feb. 2011 traffic stop on Washington Pike. (J. MILES CARY/NEWS SENTINEL )